Thanks for posting your question on RDS forum. But per your description, you query is more related to the graphical interaction while our forum is mainly focussing on dicussion of RDS deployment or connection related problems.
Therefore, there are fewer and limited information we could suggest to help your issue.
Since then, to better address your question, you could take a look at the developer forum and find relevant tag to identify your question and looking for advice from the experts.
Forum and community for Windows developer support
Hope this helps and please help to accept as Answer if the response is useful.